JPH0343315Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to an operating device for locking and unlocking an automobile door lock, and more particularly to an operating device for an automobile door lock whose entire surface is smooth with the surface of the door trim when the door is locked.

2. Description of the Related Art Conventionally proposed operating devices for automobile door locks include, for example, the one shown in FIG.

That is, the operating device 1 includes a base 2 fixed to a door trim T, a transmission member R to the door lock connected, a locking knob 3 attached to the base 2 so as to be retractable, and a base end 41 connected to the base 2. It has an unlocking knob 4 that is hinged to the front end of the unlocking knob 4, and an inclined link 5 that is hinged to the distal end portion 42 of the unlocking knob 4. When pushed in the direction of the arrow, the inclined link 5 is folded using the hinge portion as a fulcrum, and the tip engaging portion 51 of the inclined link 5 pushes up the locking knob 3, thereby unlocking the door lock. be.

However, in such a conventional automobile door lock operation device, by pushing the unlocking knob 4 in the direction of the arrow, the inclined link 5 is folded using the hinge portion as a fulcrum, and when the locking knob 3 is pushed up, the inclined link 5 is folded. In the initial stage, the wall portion 30 of the locking knob 3 is pushed in the direction of the arrow by the inclined link 5, and in some cases, the wall portion 30 is deformed into an inverted “dog” shape, and Since the structure is such that the inclined link 5 is folded when the inner panel P located behind the locking knob 3 receives the force in the direction of the arrow, it is difficult to operate the unlocking knob 4, especially when starting to press it. In addition, due to variations in the mounting positions of the inner panel P, door trim T, locking knob 3, etc., the wall portion 30 of the locking knob 3 and the inner panel P may be difficult to operate for each door.
There was a problem that the operating force of the unlocking knob 4 was different due to the difference in the distance between the two.

The present invention was developed by focusing on these conventional problems, and it is easy to operate the unlocking knob, especially at the beginning of pressing, and the operating force of the unlocking knob is small enough to be used on inner panels, door trims, etc. The object of the present invention is to provide an operating device for an automobile door lock that is not affected by variations in mounting position.

In order to achieve this purpose, in the present invention, a locking knob to which a transmission member to the door lock is connected is attached to a base whose surface is fixed along the surface of the door trim, and is removable from an opening in the base. , the proximal end of the unlocking knob whose surface is retractable into the opening of the base is hinged so that the locking knob projects, and when the lock is locked, the top surface of the locking knob touches the opening of the base. At the same time, the surface of the unlocking knob also closes the opening, and the top surface and the surface are smoothly continuous with the surface of the base, and when the unlocking knob is pushed in, a butterfly is formed at the tip of the unlocking knob. An operating device for an automobile door lock, in which the attached inclined link is folded with the hinge portion as the dead center, and a part of the inclined link pushes up the locking knob to unlock the door lock. An automotive vehicle characterized in that an arm is provided protruding from the base, one end of the arm is pivotally supported on a base, and the tilted link is rotatable about the pivot point when the tilted link is folded. This is an operating device for a door lock, and the force of pushing the unlocking knob acts entirely as a rotational force of a tilting link centered on the pivot portion.

Hereinafter, one embodiment of the present invention will be described based on the drawings. Note that the same parts as in the conventional example are given the same reference numerals.

FIGS. 2 to 8 show an embodiment of the present invention, with FIGS. 2 and 7 showing the locked state, and FIGS. 3 and 8 showing the unlocked state.

As shown in FIGS. 2, 3, 7, and 8, G is a door glass, a door trim T is attached to the inner panel P, and a door lock is attached to the upper edge of the door trim T. An operating device 1 for locking and unlocking (not shown) is attached.

The operating device 1 includes a base 2 fixed to the door trim T so that its surface follows the door trim T, a locking knob 3 to which a transmission member R to the door lock is connected, and a locking knob 3 attached to the base 2 so as to be vertically retractable. an unlocking knob 4 whose portion 41 is hinged to the base 2; an inclined link 5 which is hinged to a tip 42 of the unlocking knob 4;
5, and arms 6, 6 protruding from the inclined links 5, 5.

The surface of the base 2 protrudes slightly from the surface of the door trim T and is almost smooth and continuous, and when the door is locked, the top surface of the locking knob 3 and the surface of the unlocking knob 4 are smooth and continuous with the surface of the base 2. are doing. That is, the top surface of the locking knob 3 closes the first opening 21 of the base 2, and the surface of the unlocking knob 4 also closes the second opening 22, so that the top surface of the locking knob 3 and the unlocking knob 4 The surface of the base 2 is smoothly continuous with the surface of the base 2.

As shown in FIG. 5, the locking knob 3 includes:
An operating part 3 having a rod engagement hole 31 inside thereof to which a threaded part R1 formed on the head of the transmission member R is connected.
2, when performing an unlocking operation by pushing the unlocking knob 4 shown in FIG.
1, 51, and the inclined link 5, 5 in the final stage of the unlocking operation.
second step portions 34, 34 that can be engaged with the engaging gases 52, 52 protrudingly formed on the sides of the side walls 35, 3;
Relief holes 36, 36 for the engagement bosses 52, 52 are formed in the holes 5.

As shown in FIGS. 4 and 6, the base 2 includes a base 20, an upward first opening 21 for the locking knob 3 formed in the base 20, and a first opening 21 for the unlocking knob 4 formed in the base 20. A second horizontal opening 22, elongated holes 24, 24 formed in the side walls 23, 23 and pivotally supporting engagement pins 61, 61 protruding from the tips of the arms 6, 6, and a door trim T. An upper trim engagement portion 25 and lower trim engagement bosses 26, 26 for attaching the base 2 are formed.

To assemble the operating device 1 having the above configuration, first insert the operating portion 32 of the locking knob 3 shown in FIG. 5 into the first opening 21 of the base 2 shown in FIG. 6 from below, and then 5, 5 tip engaging parts 51, 51
are engaged with the first steps 33, 33 of the locking knob 3 as shown in FIG. 7, and the engaging pins 61, 61 of the arms 6, 6 are fitted into the long holes 24, 24. At the same time, the engagement bosses 52, 52 may be engaged with the escape holes 36, 36.

The base 2 of the operating device 1 assembled in this way is fixed to the door trim T at the trim engagement portion 25 and the trim engagement bosses 26, 26 as shown in FIGS. 7 and 8, and the transmission Part R
The threaded part R1 of the locking knob 3 is inserted into the rod engagement hole 31 of the locking knob 3.
The transmission member R is connected to the locking knob 3 by fitting the transmission member R into the locking knob 3. In this way, the attachment of the operating device 1 to the door trim T is completed.

When the operating device 1 attached to the door trim T is locked, the surface of the operating device 1 only slightly protrudes from the surface of the door trim T, and is substantially smooth and continuous, as shown in FIGS. 2 and 7. In the locked state, the unlocking knob 4 is inserted into the second opening 2 of the base 2.
When an unlocking operation is performed by pushing the lock into the slots 2, the arms 6, 6 are pushed into the engagement pins 61, 6 because the engagement pins 61, 61 are fitted into the elongated holes 24, 24.
Since the inclined links 5, 5 are rotatably supported around the arm 6, when the inclined links 5, 5 are folded around the hinge portion (the location of the tip portion 42), the inclined links 5, 5 are pivoted around the arm 6. , 6 (the engaging pin 6
1, 61) in the clockwise direction in FIG. 7, the tip engaging portions 51, 51 of the inclined links 5, 5 push up the first step portions 33, 33 from below.

Tip engaging portions 51, 51 of the inclined links 5, 5
The pushing-up operation is completed halfway through the unlocking operation, and from the middle of the unlocking operation, the engaging boss 5 replaces the tip engaging portions 51, 51.
2 and 52 push up the locking knob 3 by pushing up the second step portions 34 and 34 from below. That is, the engagement bosses 52, 52 are in the escape holes 36, 36 and do not engage with the second step portions 34, 34 at the initial stage of the unlocking operation, but the clocks of the arms 6, 6 As the rotation in the direction progresses, the engagement bosses 52, 52 move toward the second step portions 34, 52 during the unlocking operation.
34, and pushes up the locking knob 3 instead of the tip engaging portions 51, 51 to the unlocked position shown in FIGS. 3 and 8.

That is, the engagement pins 61, 61 and the elongated holes 24, 2
4, the arms 6, 6 are connected to the engagement pin 6.
1 and 61, the force for pushing in the unlocking knob 4 during the unlocking operation is entirely applied to the inclined links 5 and 5 centered on the pivot portions of the arms 6 and 6. It acts as a turning force, and the operation of the unlocking knob 4, especially the operation at the beginning of pushing, is extremely light.

In the unlocked state shown in FIGS. 3 and 8,
When the locking operation is performed by pushing down the operation part 32 of the locking knob 3, the second step parts 34, 34 push down the engagement bosses 52, 52 halfway through the unlocking operation, contrary to the unlocking operation. Therefore, the arms 6, 6 rotate in the counterclockwise direction in FIG. 8 about the pivot parts (the locations of the engaging pins 61, 61), and the inclined links 5, 5 also rotate about the pivot parts. As it moves, the inclined links 5, 5 expand from the folded state shown in FIG. 8 using the hinge portion as a fulcrum.

From the middle of the unlocking operation, the first step portion 3
3, 33 are the tip engaging portions 51 of the inclined links 5, 5,
By pushing down 51, the unlocking knob 4 is moved to the second position.
Displace it to the locked position shown in the figure and Fig. 7.

According to the operating device for a car door lock according to the present invention, one end of the arm protruding from the inclined link is pivotally supported by the base, so that when the unlocking knob is pushed in to unlock the door, the lock can be unlocked. The force that pushes the locking knob acts entirely as a turning force on the inclined link centered on the pivot of the arm, and no force acts on the walls of the locking knob, so the operation of the unlocking knob,
In particular, the operation at the beginning of the push is light, and the operating force of the unlocking knob is not affected by variations in the mounting position of the inner panel, door trim, etc.

[Brief explanation of the drawing]

Figure 1 is a sectional view showing a conventional example, Figures 2 to 8.
The figures show one embodiment of the present invention, in which Fig. 2 is a perspective view showing the locked state, Fig. 3 is a perspective view showing the unlocked state, Fig. 4 is a partially enlarged perspective view of the inside, and Fig. 5 is a perspective view showing the unlocked state. 6 and 6 are exploded perspective views of essential parts, FIG. 7 is a cross-sectional view taken along the line -- in FIG. 2, and FIG. 8 is a cross-sectional view taken along the line -- in FIG. 3. 1... Door lock operating device, 2... Base,
3... Locking knob, 4... Unlocking knob, 5... Inclined link, 6... Arm, 41... Base end, 42
...Tip part, 51...Tip engagement part (part of the inclined link), 61...Engagement pin (one end of the arm), T...
...Door trim, R...Transmission member.

Claims (1)

[Claims for Utility Model Registration] A locking knob to which a transmission member to the door lock is connected is attached to a base whose surface is fixed along the surface of the door trim so as to be retractable from the opening of the base, and The proximal end of the unlocking knob is hinged so that the surface of the locking knob can protrude into the opening of the base so that the knob protrudes, and when the lock is locked, the top surface of the locking knob closes the opening of the base and the lock is unlocked. The surface of the unlocking knob also closes the opening, the top surface and the surface are smoothly continuous with the surface of the base, and when the unlocking knob is pushed in, a slope hinged to the tip of the unlocking knob is formed. In an operating device for an automobile door lock, the link is folded with the hinge portion at the dead center, and a part of the inclined link pushes up the locking knob to unlock the door lock, wherein the arm is pushed against the inclined link. An operating device for an automobile door lock, characterized in that the arm is pivotably supported at one end of the arm, and the inclined link is rotatable about the pivot point when the inclined link is folded. .